If:x/a costheta+y/b s intheta=1a n dx/a ...

`If:x/a costheta+y/b s intheta=1a n dx/a s intheta-y/bcostheta=1,` Prove that : `(x^2)/(a^2)+(y^2)/(b^2)=2`

A

`( x^(2))/( a^(2)) +( y ^(2))/( b^(2)) = 0`

B

`( x^(2))/( a^(2)) +( y ^(2))/( b^(2)) = 2`

C

`( x^(2))/( a^(2)) +( y ^(2))/( b^(2)) = -1`

D

`( x^(2))/( a^(2)) +( y ^(2))/( b^(2)) = 1`

Text Solution

Verified by Experts

The correct Answer is:

B

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